Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Rc1 win in 3 half-moves
3 Rd1 win in 3 half-moves
4 Ra5 win in 9 half-moves
5 Kc5 win in 11 half-moves
6 Kc7 win in 11 half-moves
7 Ra3 win in 11 half-moves
8 Kc4 win in 13 half-moves
9 Kb7 draw
10 Kb8 draw
11 Kc6 draw
12 Kd4 draw
13 Ke4 draw
14 Ke5 draw
15 Ra2 draw
16 Ra6 draw
17 Rb1 draw
18 Rh1 draw
19 Kd6 loss in 2 half-moves
20 Kd7 loss in 2 half-moves
21 Kd8 loss in 2 half-moves
22 Ke6 loss in 2 half-moves
23 Ra7 loss in 2 half-moves
24 Ra8 loss in 2 half-moves
25 Re1 loss in 2 half-moves
26 Rf1 loss in 2 half-moves
27 Rg1 loss in 2 half-moves